Not for the weight of the C63. @Dodger63 tapped 130 for his 10.6 run. 125 would be around 10.9 at best. Check out @Mthis run. Look at dragtimes.com alll C63's tapping 10.7 and below have run at least 130.

A weistec stage 3 C63 would always tap over 130 whether it would be at the track or on the street. We have tested both my brother's SL63 and @Sirex63 Weistec stage 3 cars and they both tapped above 130mph on the VBOX

That C63 above tapped above 130. The 125mph recording I believe is incorrect just like the 1.0s 60ft is.

That said, in drag racing, the elapsed time is all about the first 60 feet. You'll notice a lot of heavy American rear wheel drive cars with far less power than this C63 even running 9's due to the launch.

124-125 miles per hour can get you this elapsed time even in a C63. More realistically I agree it should happen at a higher trap especially with this Stage III setup but that doesn't mean it can't happen as it most certainly can.